public long Run()
{
var L = new List <Tuple <int, int, long> >();
for (int i = 0; i < I; ++i)
{
foreach (var t in Adj[i])
{
L.Add(Tuple.Create(i, t.Item1, t.Item2));
}
}
L = L.OrderBy(t => t.Item3).ToList();
var uf = new UnionFind();
uf.Init(V); long ret = 0;
foreach (var t in L)
{
if (!uf.Find(t.Item1, t.Item2))
{
ret += t.Item3;
uf.Unite(t.Item1, t.Item2);
}
}
return(ret);
}
void Solve()
{
io.i(out N, out M);
aby = new Tuple <int, int, int> [M];
M.REP(i => {
int a = io.Int;
int b = io.Int;
int y = io.Int;
aby[i] = Tuple.Create(a, b, y);
});
Q = io.Int;
vw = new Tuple <int, int> [Q];
Q.REP(i => {
int v = io.Int;
int w = io.Int;
vw[i] = Tuple.Create(v, w);
});
aby = aby.OrderByDescending(t => t.Item3).ToArray();
var vwi = vw.Select((t, i) => new { t, i }).
OrderByDescending(a => a.t.Item2).ToArray();
var ans = new int[Q];
var uf = new UnionFind();
uf.Init(N);
var vwindex = 0;
for (int i = 0; i < M && vwindex < Q; ++i)
{
var curYear = aby[i].Item3;
while (vwindex < Q && curYear <= vwi[vwindex].t.Item2)
{
ans[vwi[vwindex].i] = uf.Size(vwi[vwindex].t.Item1);
vwindex++;
}
uf.Unite(aby[i].Item1, aby[i].Item2);
}
while (vwindex < Q)
{
ans[vwi[vwindex].i] = uf.Size(vwi[vwindex].t.Item1);
vwindex++;
}
io.o(ans);
}
class Kruskal : ShortestPath {//TODO:test,
public long Run()
{
var L = Adj.Select((l, i) => Tuple.Create(i, l[i].Item1, l[i].Item2)).OrderBy(t => t.Item3).ToList();
//var li = new List<Tuple<int, int, long>>();
//I.REP(i =>{ foreach (var t in Adj[i]) li.Add(Tuple.Create(i, t.Item1, t.Item2));});
//li = li.OrderBy(t => t.Item3).ToList();//li = li.OrderByDescending(t => t.Item3).ToList();
var uf = new UnionFind(); uf.Init(V); long ret = 0;
foreach (var t in L)
{
if (!uf.Same(t.Item1, t.Item2))
{
ret += t.Item3; uf.Unite(t.Item1, t.Item2);
}
}
return(ret);
}
class Kruskal : ShortestPath {//TODO:test
public long Run()
{
var li = new List <Tuple <int, int, long> >();
I.REP(i => { foreach (var t in Adj[i])
{
li.Add(Tuple.Create(i, t.Item1, t.Item2));
}
});
li = li.OrderBy(t => t.Item3).ToList();
var uf = new UnionFind(); uf.Init(V); long ret = 0;
foreach (var t in li)
{
if (!uf.Same(t.Item1, t.Item2))
{
ret += t.Item3; uf.Unite(t.Item1, t.Item2);
}
}
return(ret);
}
public long Run()
{
var uf = new UnionFind(); var ret = 0L; var L = new List <Tuple <int, int, long> >(); uf.Init(V);
for (int i = 0; i < I; ++i)
{
for (int j = 0; j < Adj[i].Count; ++i)
{
L.Add(Tuple.Create(i, Adj[i][j].to, Adj[i][j].cost));
}
}
L = L.OrderBy(t => t.Item3).ToList();
for (int i = 0; i < L.Count; ++i)
{
if (!uf.Find(L[i].Item1, L[i].Item2))
{
ret += L[i].Item3; uf.Unite(L[i].Item1, L[i].Item2);
}
}
return(ret);
}
public void Solve()
{
// ???? ??? ???
Array.Sort(y, a);
Array.Sort(yCopy, b);
// ???????? ??? ???
Array.Sort(w, v);
Array.Sort(wCopy, z);
UnionFind uf = new UnionFind(N + 1);
// ???????? ??????
int j = M - 1;
for (int i = Q - 1; i >= 0; i--)
{
// ???? ??????
for (; j >= 0; j--)
{
// ?????????
if (y[j] <= w[i])
{
break;
}
// ??????????
uf.unionSet(a[j], b[j]);
}
// ???????
ans[z[i]] = uf.answer(v[i]);
}
// ??
for (int i = 0; i < Q; i++)
{
Console.WriteLine(ans[i]);
}
}
